<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<%

	pageContext.setAttribute("a1", "aaaa");
	request.setAttribute("a2", "bbbbb");
	session.setAttribute("a3", "ccccc");
	application.setAttribute("a3", "ddddd");
%>
<h1>${pageScope.a1} - ${a1}</h1>
<h1>${requestScope.a2} - ${a2}</h1>
<h1>${sessionScope.a3} - ${a3}</h1>
<h1>${applicationScope.a3} - ${a3}</h1>
http://localhost:8080/jee_34340237_test1/ls16/d.jsp?uname=tom&age=10
<h1>${param.uname}-${param["age"]}</h1>
</body>
</html>